^ yeah, some of them do.
Real Face - none
SIGNAL - Limited Edition (CD+DVD)
Bokura no Machi de - Normal Edition (First Press)
Yorokobi no Uta - Limited Edition (CD+DVD) (there's a picture, but not a group one. it's a picture of the elevator from the PV.
)
Keep the faith - Normal Edition (First Press)
LIPS - Normal Edition (First Press)
DON'T U EVER STOP - none
SIGNAL's photos were solo shots, while Bokura no Machi de & Keep the faith had group shots. LIPS had duo shots (Akakame, etc.).